Home / 100,749,009.16-151,124,360.30-27,971,464.68

Finding the Fourth Proportional to 100,749,009.16, 151,124,360.30 and 27,971,464.68

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Solution

The fourth proportional to 100,749,009.16, 151,124,360.30 and 27,971,464.68 is: 41,957,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,749,009.16 : 151,124,360.30 = 27,971,464.68 : x
  2. Step 2: Convert to fraction form
    100,749,009.16/151,124,360.30 = 27,971,464.68/x
  3. Step 3: Cross multiply
    100,749,009.16x = 151,124,360.30 × 27,971,464.68
  4. Step 4: Simplify right side
    100,749,009.16x = 4,227,169,706,419,044.50
  5. Step 5: Solve for x
    x = 4,227,169,706,419,044.50/100,749,009.16
  6. Step 6: Final answer
    x = 41,957,432.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.